80521980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 291271680

約数和(自身を除く): 210749700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 33, 35, 42, 44, 55, 58, 60, 66, 70, 77, 84, 87, 105, 110, 116, 132, 140, 145, 154, 165, 174, 203, 210, 220, 231, 290, 308, 319, 330, 348, 385, 406, 420, 435, 462, 580, 601, 609, 638, 660, 770, 812, 870, 924, 957, 1015, 1155, 1202, 1218, 1276, 1540, 1595, 1740, 1803, 1914, 2030, 2233, 2310, 2404, 2436, 3005, 3045, 3190, 3606, 3828, 4060, 4207, 4466, 4620, 4785, 6010, 6090, 6380, 6611, 6699, 7212, 8414, 8932, 9015, 9570, 11165, 12020, 12180, 12621, 13222, 13398, 16828, 17429, 18030, 19140, 19833, 21035, 22330, 25242, 26444, 26796, 33055, 33495, 34858, 36060, 39666, 42070, 44660, 46277, 50484, 52287, 63105, 66110, 66990, 69716, 79332, 84140, 87145, 92554, 99165, 104574, 122003, 126210, 132220, 133980, 138831, 174290, 185108, 191719, 198330, 209148, 231385, 244006, 252420, 261435, 277662, 348580, 366009, 383438, 396660, 462770, 488012, 522870, 555324, 575157, 610015, 694155, 732018, 766876, 925540, 958595, 1045740, 1150314, 1220030, 1342033, 1388310, 1464036, 1830045, 1917190, 2300628, 2440060, 2684066, 2776620, 2875785, 3660090, 3834380, 4026099, 5368132, 5751570, 6710165, 7320180, 8052198, 11503140, 13420330, 16104396, 20130495, 26840660, 40260990, 80521980]

約数ペア:

[(1, 80521980), (2, 40260990), (3, 26840660), (4, 20130495), (5, 16104396), (6, 13420330), (7, 11503140), (10, 8052198), (11, 7320180), (12, 6710165), (14, 5751570), (15, 5368132), (20, 4026099), (21, 3834380), (22, 3660090), (28, 2875785), (29, 2776620), (30, 2684066), (33, 2440060), (35, 2300628), (42, 1917190), (44, 1830045), (55, 1464036), (58, 1388310), (60, 1342033), (66, 1220030), (70, 1150314), (77, 1045740), (84, 958595), (87, 925540), (105, 766876), (110, 732018), (116, 694155), (132, 610015), (140, 575157), (145, 555324), (154, 522870), (165, 488012), (174, 462770), (203, 396660), (210, 383438), (220, 366009), (231, 348580), (290, 277662), (308, 261435), (319, 252420), (330, 244006), (348, 231385), (385, 209148), (406, 198330), (420, 191719), (435, 185108), (462, 174290), (580, 138831), (601, 133980), (609, 132220), (638, 126210), (660, 122003), (770, 104574), (812, 99165), (870, 92554), (924, 87145), (957, 84140), (1015, 79332), (1155, 69716), (1202, 66990), (1218, 66110), (1276, 63105), (1540, 52287), (1595, 50484), (1740, 46277), (1803, 44660), (1914, 42070), (2030, 39666), (2233, 36060), (2310, 34858), (2404, 33495), (2436, 33055), (3005, 26796), (3045, 26444), (3190, 25242), (3606, 22330), (3828, 21035), (4060, 19833), (4207, 19140), (4466, 18030), (4620, 17429), (4785, 16828), (6010, 13398), (6090, 13222), (6380, 12621), (6611, 12180), (6699, 12020), (7212, 11165), (8414, 9570), (8932, 9015)]